Home / 38,581.84-53,245.41-21,588.04

Finding the Fourth Proportional to 38,581.84, 53,245.41 and 21,588.04

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Solution

The fourth proportional to 38,581.84, 53,245.41 and 21,588.04 is: 29,792.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,581.84 : 53,245.41 = 21,588.04 : x
  2. Step 2: Convert to fraction form
    38,581.84/53,245.41 = 21,588.04/x
  3. Step 3: Cross multiply
    38,581.84x = 53,245.41 × 21,588.04
  4. Step 4: Simplify right side
    38,581.84x = 1,149,463,907.78
  5. Step 5: Solve for x
    x = 1,149,463,907.78/38,581.84
  6. Step 6: Final answer
    x = 29,792.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.